Organs are a collection of tissues that become a unit in structure and function.
Organs can be found in all biological organisms.
Glands are organs in an animal’s body that synthesises a substance.
Many different types of substances or hormones can be produced. They are then secreted into neighboring tissue or the blood stream depending on the potential use.
Some of the organs and glands are quite large while others are amazingly small.
Below is a list of some of the more important organs and glands:
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